1. Which of the following is an unconventional process of machining?
a) Milling
b) WJM
c) Drilling
d) None of the mentionedView Answer

Answer: b
Explanation: WJM stands for water jet machining and it is an unconventional process of machining. Water jet machining process is more versatile and can be used for metal as well as non metal.

2. Water jet machining process can be used for
a) Conductors
b) Insulators
c) Metals
d) All of the mentionedView Answer

Answer: d
Explanation: WJM stands for water jet machining and it is an unconventional process of machining. Water jet machining process is more versatile and can be used for metal as well as non metal.

3. Which of the following is a conventional process of machining?
a) Electro chemical machining
b) Electron beam machining
c) Water jet machining process
d) None of the mentionedView Answer

Answer: d
Explanation: All of the mentioned are unconventional machining process. Water jet machining process is more versatile and can be used for metal as well as non metal.

4. For machining of plastic material which of the unconventional process can be used effectively?
a) Electro chemical machining
b) Electron beam machining
c) Water jet machining process
d) None of the mentionedView Answer

Answer: c
Explanation: WJM stands for water jet machining and it is an unconventional process of machining. Water jet machining process is more versatile and can be used for metal as well as non metal.